/* ============================================================
   AIFlow — styles.css
   Autor: AIFlow Automation
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --primary: #6366f1;
  --primary-light: rgba(99, 102, 241, 0.15);
  --primary-shadow: rgba(99, 102, 241, 0.4);
  --accent: #f97316;
  --accent-light: rgba(249, 115, 22, 0.15);
  --purple: #a855f7;
  --purple-light: rgba(168, 85, 247, 0.15);

  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --border: rgba(226, 232, 240, 0.8);
  --border-subtle: rgba(226, 232, 240, 0.5);

  --text: #0f172a;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  --font: 'Plus Jakarta Sans', sans-serif;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-2xl: 3rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .10);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, .15);

  --nav-h: 80px;
  --max-w: 1280px;
  --px: clamp(1.25rem, 4vw, 1.5rem);

  --transition: 0.25s ease;
}

/* Dark mode */
.dark {
  --bg: #030712;
  --bg-alt: rgba(15, 23, 42, 0.3);
  --bg-card: rgba(17, 24, 39, 0.7);
  --border: rgba(31, 41, 55, 0.8);
  --border-subtle: rgba(31, 41, 55, 0.5);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
}

/* ── Reset & Base ───────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

/* ── Skip Link (Accessibility) ─────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 9999;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
}

/* ── Utility ────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--purple), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Mesh Background ────────────────────────────────────────── */
.mesh-bg {
  background:
    radial-gradient(at 0% 0%, var(--accent-light) 0px, transparent 50%),
    radial-gradient(at 100% 0%, var(--primary-light) 0px, transparent 50%),
    radial-gradient(at 50% 100%, var(--purple-light) 0px, transparent 50%);
}

/* ── Glass Card ─────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
}

/* ── Animations ─────────────────────────────────────────────── */
@keyframes ping {

  75%,
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.animate-ping {
  animation: ping 1.4s cubic-bezier(0, 0, .2, 1) infinite;
}

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition), border-color var(--transition);
}

.dark .nav {
  background: rgba(3, 7, 18, 0.7);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--purple), var(--accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-shadow);
}

.nav__logo-icon .material-symbols-outlined {
  font-size: 1.25rem;
  font-weight: 700;
}

.nav__logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav__logo-text span {
  color: var(--primary);
}

/* Desktop links */
.nav__links {
  display: none;
  align-items: center;
  gap: 2.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

.nav__links a {
  position: relative;
  transition: color var(--transition);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--primary);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

/* Nav actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  color: var(--text);
}

.btn-icon:hover {
  background: var(--bg-alt);
}

.dark .btn-icon:hover {
  background: rgba(30, 41, 59, 0.8);
}

.btn-cta-nav {
  display: none;
  padding: 0.625rem 1.5rem;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  transition: opacity var(--transition);
}

.btn-cta-nav:hover {
  opacity: 0.85;
}

@media (min-width: 640px) {
  .btn-cta-nav {
    display: block;
  }
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
}

@media (min-width: 768px) {
  .nav__hamburger {
    display: none;
  }
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem var(--px) 2rem;
  z-index: 49;
  flex-direction: column;
  gap: 0.5rem;
  animation: fadeIn 0.2s ease;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.nav__mobile a:hover {
  background: var(--bg-alt);
  color: var(--primary);
}

.nav__mobile .btn-cta-mobile {
  margin-top: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-lg);
  font-weight: 700;
  text-align: center;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 5rem;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    padding-top: calc(var(--nav-h) + 7rem);
    padding-bottom: 8rem;
  }
}

.hero__grid {
  display: grid;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero__badge-dot {
  position: relative;
  width: 8px;
  height: 8px;
}

.hero__badge-dot::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.75;
  animation: ping 1.4s cubic-bezier(0, 0, .2, 1) infinite;
}

.hero__badge-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--primary);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.hero__desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 36rem;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    align-items: center;
  }
}

/* Image side */
.hero__img-wrap {
  position: relative;
}

.hero__img-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--bg-card);
}

.hero__img-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Portrait variant — for personal photo */
.hero__img-card--portrait {
  position: relative;
}

.hero__img-card--portrait img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: top center;
  filter: contrast(1.05) brightness(0.97);
  display: block;
}

.hero__img-card--portrait::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.18), transparent);
  pointer-events: none;
}

@media (min-width: 1024px) {
  .hero__img-card--portrait img {
    height: 580px;
  }
}

.hero__metric {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--accent);
  display: none;
}

@media (min-width: 768px) {
  .hero__metric {
    display: block;
  }
}

.hero__metric-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.hero__metric-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.05rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px var(--primary-shadow);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.05rem;
  transition: background var(--transition);
}

.btn-outline:hover {
  background: var(--bg-alt);
}

/* ── Section Shared ─────────────────────────────────────────── */
section {
  padding-block: 6rem;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .section-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.section-header__left {
  max-width: 40rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-title span {
  color: var(--primary);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 700;
  white-space: nowrap;
  transition: gap var(--transition);
  flex-shrink: 0;
}

.link-arrow:hover {
  gap: 1rem;
}

/* ── Services ───────────────────────────────────────────────── */
.services {
  background: var(--bg);
}

.services__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card--blue:hover {
  border-color: rgba(99, 102, 241, 0.5);
}

.service-card--purple:hover {
  border-color: rgba(168, 85, 247, 0.5);
}

.service-card--orange:hover {
  border-color: rgba(249, 115, 22, 0.5);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  transition: transform var(--transition);
}

.service-card:hover .service-card__icon {
  transform: scale(1.1);
}

.service-card__icon--blue {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.service-card__icon--purple {
  background: rgba(168, 85, 247, 0.1);
  color: #a855f7;
}

.service-card__icon--orange {
  background: rgba(249, 115, 22, 0.1);
  color: #f97316;
}

.dark .service-card__icon--blue {
  background: rgba(59, 130, 246, 0.15);
}

.dark .service-card__icon--purple {
  background: rgba(168, 85, 247, 0.15);
}

.dark .service-card__icon--orange {
  background: rgba(249, 115, 22, 0.15);
}

.service-card__icon .material-symbols-outlined {
  font-size: 2rem;
}

.service-card__title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.service-card__desc {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  flex: 1;
}

.service-card__img {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.service-card__img img {
  width: 100%;
  height: 192px;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.service-card:hover .service-card__img img {
  opacity: 1;
}

/* ── Why Section ────────────────────────────────────────────── */
.why {
  background: var(--bg-alt);
}

.why__grid {
  display: grid;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .why__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.why__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
}

.why__items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.why__item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.why__item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.why__item-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.why__item-desc {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Stats grid */
.why__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.why__stat-card {
  padding: 2rem;
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-md);
}

.why__stat-card--accent {
  border-left-color: var(--accent);
}

.why__stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.why__stat-card--accent .why__stat-value {
  color: var(--accent);
}

.why__stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.why__stat-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.why__stat-img img {
  width: 100%;
  height: 256px;
  object-fit: cover;
}

/* ── Testimonials ───────────────────────────────────────────── */
.testimonials {
  background: var(--bg);
}

.testimonials__header {
  text-align: center;
  margin-bottom: 4rem;
}

.testimonials__header .section-desc {
  max-width: 36rem;
  margin-inline: auto;
}

.testimonials__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  position: relative;
  padding: 2rem;
  border-radius: 1.5rem;
}

.testimonial-card__quote {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 3.5rem;
  color: rgba(99, 102, 241, 0.15);
  font-family: serif;
  line-height: 1;
  pointer-events: none;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  outline: 2px solid rgba(99, 102, 241, 0.2);
}

.testimonial-card__name {
  font-weight: 700;
}

.testimonial-card__role {
  font-size: 0.75rem;
  color: var(--text-faint);
}

.testimonial-card__text {
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.7;
}

.dark .testimonial-card__text {
  color: #cbd5e1;
}

/* ── Contact / CTA ──────────────────────────────────────────── */
.contact {
  position: relative;
  overflow: hidden;
}

.contact__card {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-radius: var(--radius-2xl);
  padding: clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-xl);
}

.dark .contact__card {
  background: linear-gradient(135deg, #030712, #0f172a);
}

.contact__glow-1 {
  position: absolute;
  top: -8rem;
  right: -8rem;
  width: 16rem;
  height: 16rem;
  background: rgba(99, 102, 241, 0.2);
  filter: blur(100px);
  border-radius: 50%;
  pointer-events: none;
}

.contact__glow-2 {
  position: absolute;
  bottom: -8rem;
  left: -8rem;
  width: 16rem;
  height: 16rem;
  background: rgba(249, 115, 22, 0.1);
  filter: blur(100px);
  border-radius: 50%;
  pointer-events: none;
}

.contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.contact__desc {
  color: #94a3b8;
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contact__note {
  font-size: 0.875rem;
  color: #64748b;
  font-weight: 500;
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #94a3b8;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #475569;
}

.form-group select option {
  background: #1e293b;
  color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.form-group .error-msg {
  font-size: 0.8rem;
  color: #f87171;
  display: none;
}

.form-group.has-error .error-msg {
  display: block;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 1rem 2rem;
  background: #fff;
  color: #0f172a;
  border-radius: var(--radius-lg);
  font-weight: 800;
  font-size: 1rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.btn-submit:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Form feedback */
.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
  color: #4ade80;
  font-weight: 700;
  font-size: 1.1rem;
}

.form-success.visible {
  display: block;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  padding-block: 3rem;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer__logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.footer__logo-icon .material-symbols-outlined {
  font-size: 1rem;
  font-weight: 700;
}

.footer__logo-text {
  font-weight: 800;
  font-size: 1.15rem;
}

.footer__logo-text span {
  color: var(--primary);
}

.footer__links {
  display: flex;
  gap: 2rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-faint);
}

.footer__links a {
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--primary);
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--text-faint);
  font-weight: 500;
}

/* ── Responsive tweaks ──────────────────────────────────────── */
@media (max-width: 640px) {
  .hero__metric {
    display: none;
  }

  .why__stats {
    grid-template-columns: 1fr;
  }
}

/* ── Use Cases (Problem/Solution) ────────────────────────── */
.use-case__content {
  text-align: left;
  margin-bottom: 2rem;
}

.use-case__label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.use-case__label--problem {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.use-case__label--solution {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  margin-top: 1.25rem;
}

.use-case__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-style: italic;
}

.use-case__label--solution+.use-case__text {
  font-style: normal;
  color: var(--text);
  font-weight: 500;
}

.use-case__result {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  border: 1px dashed var(--border);
}

.use-case__result .material-symbols-outlined {
  color: var(--primary);
  font-size: 1.25rem;
}

.use-case__result strong {
  color: var(--primary);
}